Abstract: A configuration for virtual sensing via sensor sharing for C-V2X scheduling. The apparatus receives, from a first wireless device, a message indicating a threat entity within a threat zone. The threat entity transmits data that interferes with transmission of BSMs. The apparatus determines a candidate resource of a set of candidate resources on which to transmit a BSM based at least in part on the message indicating information related to the threat entity from the first wireless device. The apparatus transmits, to at least a third wireless device, the BSM on a determined candidate resource.

Abstract: Logic may reduce the latency and increase the confidence in message time series (MTS) intrusion detection systems (IDSs). Logic may capture traffic on an in-vehicle network bus during a first traffic window. Logic may filter the traffic within the first traffic window to determine more than one observation window, wherein the more than observation window comprises at least a first observation window and a second observation window. Logic may evaluate the more than one observation window to determine a first output based on a first observation window and a second output based on a second observation window, the first and second outputs to indicate if an intrusion is detected. Logic may determine, based on a combination of the outputs, that the traffic during the first traffic window comprises an intrusion. Logic may output an indication of the intrusion.

Abstract: A distance-based packet filtering method includes a maximum filtering distance calculating step, a vehicle distance calculating step and a packet filtering step. The maximum filtering distance calculating step is performed to configure a processing unit to calculate a maximum filtering distance according to a dynamic adjustment distance parameter. The vehicle distance calculating step is performed to configure a modem to obtain a host vehicle location message and a vehicle-to-everything (V2X) safety packet. The V2X safety packet includes a remote vehicle location message, and then the host vehicle location message and the remote vehicle location message are calculated to generate a vehicle distance. The packet filtering step is performed to configure the modem to compare the vehicle distance with the maximum filtering distance from the processing unit to generate a comparison result, and judge whether the V2X safety packet is a passed packet according to the comparison result.

Abstract: Disclosed herein is a method and system for detecting, monitoring and/or controlling one or more of mobile services for a mobile communication device (also referred to herein as a Controllable Mobile Device or CMD), and in particular, when the device is being used and the vehicle, operated by the user of the device, is moving. The present method and system determines whether the vehicle is being operated by a user that may also have access to a mobile communication device which, if used concurrently while the vehicle is in operation, may lead to unsafe operation of the vehicle. If the mobile services control system determines that a vehicle operator has potentially unsafe access to a mobile communication device, the mobile services control system may restrict operator access to one or more services that would otherwise be available to the operator via the mobile communication device.

Abstract: A method and system for disabling functions of a movement detection enabled device is provided. The method includes monitoring a movement detection signal of the movement detection enabled device in a vehicle and determining that the vehicle is currently in motion. An electronic tag in the vehicle is detected and instructions associated with the movement detection enabled device are retrieved. It is determined that the movement detection enabled device is located within a specified proximity to a driver location of the vehicle and that a user of the device is a driver of the vehicle. In response, specified functions of the movement detection enabled device are disabled.

Abstract: A mobile computing device senses movement by a vehicle in which the mobile computing device is located, and in response to sensing movement by the vehicle, the mobile computing device determines a location of the mobile computing device relative to an interior of the vehicle. In response to determining that the mobile computing device is in a target zone and in response to detecting interaction with the mobile computing device by a user, the mobile computing device detects an occurrence of a distracted driving event and restricts at least one functionality of the mobile computing device. The mobile computing device then logs the occurrence of the distracted driving event in a restricted access data store.

Abstract: A vehicular communication apparatus includes a communication device and an adjuster. The communication device exchanges a signal with an external communication device that is disposed external to the vehicle. The adjuster adjusts a transmission output of the communication device based on at least one of an operation mode of a vehicular device, which influences the communication device by generating a noise, or a classification of a signal exchanged between the communication device and the external communication device. The vehicular communication apparatus either prevents a deteriorated operation quality of the vehicular device or prevents a deteriorated communication quality of the communication device.

Abstract: An electronic device includes: a housing provided with an opening that accommodates a component; a cover member that covers the opening; a projecting part that projects from an inside face of the housing; a slide knob slidably provided to a surface of the housing; and an elastic slide lock member that fixes the cover member to the housing, wherein the elastic slide lock member includes: a movement part that is coupled to the slide knob, moves together with the slide knob, and is provided with a fixing projection; a fixing part that is rotatably supported by the projecting part of the housing; and a coupling part that couples the movement part and the fixing part and is elastically deformable.

Abstract: A frequency switching terminal is provided to input a signal for switching frequencies of a reception circuit. A smart ECU is connected to the frequency switching terminal via a connection cable. When the signal for switching the frequencies is inputted into an external input terminal of the reception circuit from the smart ECU via the frequency switching terminal, the reception circuit receives a first electric wave transmitted from a portable terminal for smart entry. In contrast, when the signal for switching the frequencies is not inputted into the external input terminal of the reception circuit from the smart ECU via the frequency switching terminal, the reception circuit receives a second electric wave transmitted from a tire sensor.

Abstract: An apparatus and method are provided for receiving and processing a control signal and/or a data signal through a short-range wireless communication. The wireless signal processing apparatus preferably includes a connection detection unit that detects a connection of a peripheral device, and a communication unit that receives the control signal and the data signal from a client device through the short-range wireless communication. A data processing unit sends the received data signal to the peripheral device, and a mode control unit for controlling the communication unit to send the received data signal to the data processing unit when the connection detection unit detects the connection of the peripheral device. The apparatus and method may be utilized for various purposes on the basis of the short-range wireless communication, depending on whether or not the peripheral device is connected.

Abstract: The vehicle, such as airplane, which comprises the internal wireless communicating device and the external antenna device, wherein the passenger(s) in the vehicle may access network (e.g., the Internet) via the internal wireless communicating device and the external antenna device.

Abstract: Systems and methods are disclosed which relate to mitigating the detrimental effects of interference to electronic devices from mobile telephones utilizing any form of time-domain multiplexing technology. A wireless transmitter inside the mobile telephone broadcasts a warning transmission which can be received by affected devices. Once the warning transmission is received by an affected device, the device activates a blanking circuit comprising an actuator and a switch or switches. The switches open for the duration of the interference so that the user does not receive undesired output such as: noise through a speaker, noise through a microphone, or other interference with electrical signals.

Abstract: A frequency control apparatus includes: an input operation unit which detects a presence/absence of an input of a predetermined operation by an operator; and a control unit which, when the input of the predetermined operation by the input operation unit is detected, calculates radio frequencies, each of the radio frequencies being where a minimum value of differences with respect to multiplied frequencies of a current drive frequency of a device is less than or equal to a predetermined value, and which changes the current drive frequency of the device so that minimum values of differences between the calculated radio frequencies and multiplied frequencies of the changed drive frequency are greater than or equal to a predetermined value. The control unit changes the drive frequency to lessen a change width before and after the change by either increasing the drive frequency or decreasing the drive frequency.

Abstract: Disclosed herein is a method and system for detecting, monitoring and/or controlling one or more of mobile services for a mobile communication device (also referred to herein as a Controllable Mobile Device or CMD), and in particular, when the device is being used and the vehicle, operated by the user of the device, is moving. The present method and system determines whether the vehicle is being operated by a user that may also have access to a mobile communication device which, if used concurrently while the vehicle is in operation, may lead to unsafe operation of the vehicle. If the mobile services control system determines that a vehicle operator has potentially unsafe access to a mobile communication device, the mobile services control system may restrict operator access to one or more services that would otherwise be available to the operator via the mobile communication device.

Abstract: A system for mitigating radio frequency (RF) interferences. The system may comprise an interference cancellation module communicatively coupled with a first antenna, the interference cancellation module configured for mitigating interferences from a second antenna by phase shifting a signal receivable at the first antenna according to a phase shift value, the phase shift value being predetermined when the second antenna is oriented in an initial directional orientation. The system may further comprise a variable RF delay module communicatively coupled with the interference cancellation module, the variable RF delay module configured for determining a current directional orientation of the second antenna, the variable RF delay module further configured for providing a phase compensation value based upon the current directional orientation of the second antenna.

Abstract: A wireless network arrangement includes a space having a hindrance to wireless communication. The hindrance includes a fixed barrier and/or a three-dimensional area for accommodating a moveable barrier. At least three wireless electronic nodes are wirelessly and communicatively coupled to each other. A broadcast range of the nodes is greater than a largest dimension of the enclosure. The hindrance is disposed between a first one of the nodes and a second one of the nodes. The at least three nodes are positioned within the enclosure such that a wireless signal communication path wirelessly and communicatively couples the first one of the nodes to the second one of the nodes. The communication path is non-intersecting with the hindrance. The communication path passes through at least a third one of the nodes. The communication path is formed exclusively of a plurality of joined linear segments. Opposite ends of each linear segment are disposed at corresponding ones of the nodes.

Abstract: An in-vehicle hands-free apparatus transfers, from a cellular phone to the hands-free apparatus, information regarding all the e-mails received from a communication network and stored in the cellular phone, right after the connection of a Bluetooth (BT) communication channel between the cellular phone and the hands-free apparatus. Thus, received e-mails that are received by the cellular phone from the communication network during a BT communication channel disconnection time can be synchronized between the cellular phone and the in-vehicle hands-free apparatus, thereby allowing the user to handle, on the hands-free apparatus, the received e-mails that have been received by the cellular phone while the BT communication channel is absent between the cellular phone and the hands-free apparatus.

Abstract: A remotely provisioned proxy within a wireless/mobile phone that proxies a wireless communication path between a disconnected piconet (e.g., BLUETOOTH™) device and a network resource such as a universal resource locator (URL) via a mating mobile phone. Thus, an application proxy module embodied within the mobile phone provides managed access of a piconet device connected to the mating mobile phone to remote services. A disconnected piconet device uses the full data bandwidth available to a wireless phone, without the need for the disconnected piconet device to include its own separate wireless front end, or to require use of a modem within the mobile phone. Thus, using a mobile phone with application proxy, the user need not pay for the luxury of a tethered data plan.

Abstract: A communications device may include In-phase (I) power amplifiers configured to respectively generate I amplified signals, Quadrature (Q) power amplifiers configured to respectively generate Q amplified signals, I antennas respectively coupled to the I power amplifiers, and Q antennas respectively coupled to the Q power amplifiers. The communications device may also include an I controller coupled to the I power amplifiers and configured to selectively enable some of the I power amplifiers, and a Q controller coupled to the Q power amplifiers and configured to selectively enable some of the Q power amplifiers.

Abstract: Technologies are generally described for usage recommendation for mobile device. In some examples, a method performed under control of a downlink beamforming system may include receiving respective movement information of a plurality of mobile devices, grouping at least some of the mobile devices into one or more groups based on the movement information, and generating beams for the groups, respectively.

Abstract: A wireless communication apparatus, includes: a collision locating section for detecting a collision and determining a collision area in which the collision occurs, according to route requests received through an ad-hoc network based on an on-demand driving routing protocol, a relay node selecting section for selecting a relay node which is located outside the collision area and turn-off of which will not influence connectivity in the ad-hoc network, and a relay node controlling section for controlling the selected relay node to turn off in response to the selection of the relay node and keeping the selected node off if the collision in the collision area is alleviated or eliminated after the selected relay node is turned off.

Abstract: A communications device may include an In-phase (I) power amplifier configured to generate an I amplified signal, a Quadrature (Q) power amplifier configured to generate a Q amplified signal, an I digital-to-analog converter (DAC) configured to generate an I signal, and a Q DAC configured to generate a Q signal. The communications device may also include an I power supply circuit coupled to the I power amplifier and to the I DAC and configured to cause the I power amplifier to modulate an I carrier signal into the I amplified signal based upon the I signal, a Q power supply circuit coupled to the Q power amplifier and to the Q DAC and configured to cause the Q power amplifier to modulate a Q carrier signal into the Q amplified signal based upon the Q signal, and at least one antenna coupled to the I and Q power amplifiers.

Abstract: A broadcast receiving apparatus includes a first tuner configured to receive a broadcast wave from a specified broadcasting station, a second tuner configured to perform a frequency search for receivable broadcasting stations, a power supply unit configured to supply power to the first tuner and the second tuner, a traveling state detection unit configured to determine if a vehicle is moving or is stopped, a reception state detection unit configured to detect a reception state of a currently-received broadcast wave, and a control unit configured to control the first tuner, the second tuner, the power supply unit, the traveling state detection unit, and the reception state detection unit.

Abstract: There is disclosed an antenna diversity system for relatively broadband broadcast reception in vehicles such as motor vehicles. The device can include a diversity processor having numerous components including a microprocessor for controlling a signal selection switch. In alternative embodiments the processor can be incorporated into a receiver or into a multi-antenna system. One advantage of these designs is that it is able to exist with one reception tuner and being able to select one signal from a plurality of antenna signals A1, A2, . . . AN, with great probability, whose signal components lie above the level necessary for interference-free reception, over the entire channel bandwidth B.

Abstract: Systems and methods are provided for suppressing radio interference from a noise source having an operating frequency. In accordance with an embodiment, a vehicle is provided. The vehicle may include, but is not limited to, a communications bus having a delay, an electric motor communicatively coupled to the communications bus, the electric motor configured to transmit an operational frequency of the electric motor to the communications bus, a radio communicatively coupled to the communications bus, and an audio amplifier communicatively coupled to the communications bus and further configured to be coupled to the radio via the communications bus, the audio amplifier comprising a filter configured to selectively filter radio signals of the radio based upon the operational frequency of the electric motor and a maximum change in angular velocity of the vehicle over the delay.

Abstract: A selective cell phone text messaging function disabling system prevents a vehicle occupant from text messaging while driving. Other occupants of the vehicle can text message using their cell phones. The driver's cell phone text messaging functionality is turned off by a signal broadcasting system as the driver enters the vehicle through the driver-side door. When the driver exits the vehicle through the driver-side door, the cell phone resumes its texting capability, preserving text messaging functionality while the driver is not operating the vehicle.

Abstract: Systems and methods are provided for suppressing radio interference from a noise source having an operating frequency. One system includes memory for storing a threshold signal strength, a re-configurable filter for selectively filtering signals of a harmonic of the operating frequency, and a controller. The controller is configured to compare a signal strength of a received signal to the threshold signal strength and turn ON the re-configurable filter if the signal strength of the received signal is less than or equal to the threshold signal strength. A method includes determining a noise signature for the motor vehicle and associating a signal strength threshold with the noise signature. The method further includes comparing a signal strength of a tuned radio station to the signal strength threshold and turning ON the filter if the signal strength is less than or equal to the signal strength threshold.

Abstract: An onboard device for receiving a signal coming from an aircraft at a distance d from the device, said signal resulting from the combination of multiple propagation paths, one of the paths corresponding to the main echo of the transmitted signal, said device including an equalizer of processing depth T. The device includes means for estimating the distance covered by the second path, means for deducing therefrom a delay value ? associated with it, means for estimating when ? is greater than or equal to T the interfering signal associated with the main echo and for reducing the contribution of said signal to the total level of interference received. Also a system of communication between aircraft using the onboard device.

Abstract: An in-vehicle wireless communications device executes an emergency report operation to transmit an emergency report signal from a wireless communications unit to a wireless communications network. During this emergency report operation, integrated electric currents from an in-vehicle battery to an in-vehicle wireless communications device reach a predetermined value, which generates an interrupt. Even at this time, stopping of an operation power from the in-vehicle battery to the wireless communications unit is suspended until the emergency report operation is normally finished.

Abstract: A method of presenting channels to the user of a multi-channel wireless media service is provided. A user input is received in a mobile unit, wherein the user input has an associated category. At least one channel of the multi-channel wireless media service responsive to the user input is determined based upon a relationship of the channel to the associated category. Access to the channel is provided to the user. Alternative methods as well as systems and programs for accomplishing the method are provided.

Abstract: In one embodiment, the present invention includes a method for receiving an incoming radio frequency (RF) signal in a receiver, estimating a signal-to-noise ratio (SNR) of a constant modulus (CM) signal in the incoming RF signal based on a calculated magnitude of the incoming RF signal, and indicating presence of a modulated signal in the incoming RF signal if the estimated SNR is greater than a threshold.

Abstract: A communication apparatus for use in a vehicle includes a transmission repeater, a transmission terminator and a re-number unit. In a wireless communication between the communication apparatus and a communication unit in a facility such as a toll collection booth or the like, the transmission repeater transmits transmission data to the communication unit repeatedly until receiving an acknowledgement of reception completion of the transmission data from the communication unit, and the transmission terminator terminates repeated transmissions of the transmission data by the transmission repeater when a number of the repeated transmissions of the transmission data reaches a standard value. Further, the re-number unit changes the number of the repeated transmissions of the transmission data based on a content of the transmission data from the communication unit.

Abstract: An apparatus operable to disable operation of wireless communications devices, for use within a vehicle, includes a drive circuit coupled to at least one active antenna element to produce interference within at least one wireless communications band of frequencies in response to movement of a vehicle above a defined threshold. The drive circuit being selectively disabled while the vehicle is moving above the defined threshold. The interference may take the form of a bare carrier wave, or may take the form of noise, and is transmitted at sufficient power to interfere with communication between the wireless communications device and a destination device.

Abstract: A communications device includes pre-processing circuitry for processing a received wideband complex signal including an undesired narrowband interference component therein, and for determining a frequency of the undesired narrowband interference component. A filter is downstream from the pre-processing circuitry and operable to generate a received wideband complex signal with at least one frequency notch therein to suppress the undesired narrowband interference component. The filter includes a finite impulse response (FIR) filter with L taps to generate N output values, with L>N. A Fast Fourier Transform (FFT) block is downstream from the FIR filter and has a length N so that filter transition regions occur between frequency bins of the FFT block. A notching block is downstream from the FFT block to generate the frequency notch. An Inverse Fast Fourier Transform (IFFT) block is downstream from the notching block and has the length N.

Abstract: Techniques for detecting and mitigating interference are described. A device (e.g., a cellular phone) senses interference levels and digitally reconstructs the expected interference in the received signal. The device may correlate the reconstructed interference with the received signal and determine interference in the received signal based on correlation results. The device may adjust the operation of one or more circuit blocks (e.g., a mixer, an LNA, etc.) in a receiver based on the detected interference in the received signal. Alternatively or additionally, the device may condition the digital interference to obtain conditioned reconstructed interference matching the interference in the received signal and may then subtract the conditioned interference from the received signal.

Abstract: The present invention relates to a method and system for a radio transmission emulator. In one embodiment, the present invention includes a radio transmission emulator system. The radio transmission emulator system includes a radio transmission emulator, an automobile, and/or a radio data analysis unit. The automobile can include a radio receiving unit. The radio transmission emulator generates a field simulation signal which simulates interferences. The field simulation signal is transmitted from the radio transmission emulator to the radio receiving unit. The radio receiving unit generates the radio data based on the field simulation signal. The radio data analysis unit analyzes the radio data to determine whether adjustments should be made to the radio receiving unit.

Abstract: An antenna diversity system for radio reception for motor vehicles, which comprises a multi-antenna system having several antennas with antenna feed lines. There can be a diversity switching device for selection of a different reception signal, and an evaluation circuit which evaluates the reception quality of the reception signal just arriving at the receiver. This evaluation circuit is designed to bring a different reception signal in terms of diversity to the receiver if interference occurs, by switching over. This design also includes at least one phase rotation device which is disposed along at least one of the signal paths.

Abstract: A system capable of appropriately controlling an operation of an information processing device mounted on a mobile apparatus for effective use of information processing resources of the information processing device is provided. According to the device control system (10), information processing by a first information processing device (11) is restricted when the first information processing device (11) is set to receive data through a high-speed broadcast channel. Thus, the information processing resources of the first information processing device (11) are primarily allocated to reception of designated data through the high-speed broadcast channel. Further, allocation of the information processing resources to information processing other than the reception of the designated data, such as information processing requested from a second information processing device (12), is restricted.

Abstract: A wireless network arrangement includes an enclosure having a hindrance to wireless communication. The hindrance includes a fixed barrier and/or a space for accommodating a moveable barrier. At least three wireless electronic nodes are wirelessly and communicatively coupled to each other. A broadcast range of the nodes is greater than a largest dimension of the enclosure. The hindrance is disposed between a first one of the nodes and a second one of the nodes. The at least three nodes are positioned within the enclosure such that a wireless signal communication path wirelessly and communicatively couples the first one of the nodes to the second one of the nodes. The communication path is non-intersecting with the hindrance. The communication path passes through at least a third one of the nodes. The communication path is formed exclusively of a plurality of joined linear segments. Opposite ends of each linear segment are disposed at corresponding ones of the nodes.

Abstract: Method of enabling a remote communications device (106) with a telematics functionality module (150) can include providing a docking apparatus (114) coupled to interface with a vehicle (109). The remote communications device is communicatively coupled to the docking apparatus, wherein the remote communications device is non-enabled with a telematics functionality module (150). The docking apparatus and the remote communications device enable the remote communications device with the telematics functionality module.

Abstract: A diversity receiver receives high rate radio signals (for example DVB-T signals) while the receiver is moving at a high speed (for example in or with a car). Two or more antennas are closely spaced and arranged behind each other in the direction of motion for receiving the radio signals. A difference (S2(t)?S1(t)) of a first signal (S1(t)) obtained via the first antenna and a second signal (S2(t) obtained via the second antenna serves as an estimation of the spatial derivative of the receiving channel transfer function. This spatial derivative is interpreted as a temporal derivative and exploited to cancel or at least reduce distortions (for example ICI) due to rapid receiving channel variations.

Abstract: A wireless network system arranges a plurality of access points along the aisles in a vehicle having two or more aisles. The positions of the access points on the first aisle and the positions of the access points on the second aisle are arranged in a zigzag pattern. The distance between neighboring access points is thus great, and there is no signal interference between adjacent access points.

Abstract: A method of providing user-defined satellite radio filtering in a satellite radio system entails receiving at the satellite radio system a user-defined filter specifying one or more satellite channels to block and, when receiving satellite radio signals, making the one or more satellite channels to block unavailable for listening by the user. The user-defined filter may be received via direct user input, a portable storage device, or a wireless network.

Abstract: A method and device are provided for suppressing periodic interference signals, including a unit which is used to provide a period length for the periodic interference signal, an interference detection unit for detecting a signal corresponding to the interference signal, and a subtraction unit for subtracting the signal corresponding to the interference signal. The interference detection unit carries out multiple superpositioning of the input signal and scales the multiple superpositioned input signal depending on the period length of the interference signal in order to detect the signal corresponding to the interference signal.

Abstract: A method is directed to operating a degraded vehicle communication unit within a mobile vehicle communication system (MVCS). The method provides for determining a primary communication mode failure, initiating a secondary communication mode responsive to the primary communication mode failure determination, and operating a telematics device in the secondary communication mode within the vehicle communication unit. The step of determining the primary communication mode failure may include detecting if the telematics unit can not initiate contact with a wireless carrier system, and detecting if the telematics unit can not maintain communication with the wireless carrier system. The step of determining the primary communication mode failure may include determining a GPS unit within the vehicle communication unit is unable to receive a GPS satellite broadcast from a GPS satellite broadcast system.

Abstract: Apparatus, systems, and methods are provided for suppressing radio interference from a noise source. One apparatus includes a controller for commanding a noise source to dither its operating frequency, and a filter for receiving signals from the controller indicating the present operating frequency of the noise source and to filter radio signals having the same frequency as the present operating frequency while the operating frequency is dithered. A system includes an electric motor having an operating frequency, a controller for commanding the motor to dither its operating frequency, and a filter configured to receive signals indicating the present operating frequency of the motor and to filter radio signals having the same frequency as the present operating frequency while the operating frequency is dithered. One method includes dithering the operating frequency of a noise source and filtering signals having the same frequency as the operating frequency while it is dithered.

Abstract: A high-frequency receiver and a portable device using the same receiver are proposed for reducing power consumption. Image interference determiner (44) determines whether or not image interference exists at the present position in a desirable channel to be received, which channel is obtained by a receiving section (39) or a GPS receiver (43). Power supply control circuit (47) switches mixer (49) from an image rejection mixer to a double balance mixer when determiner (44) determines no image interference involves. This mechanism allows mixer (49) to work as the double balance mixer circuit during the reception of channels free from image interference, so that a mixer consuming less power is achievable. When mixer (49) works as the image rejection mixer circuit, image interference can be reduced.

Abstract: A broadcasting station transmits a program of continuous sequence of events as a transport stream so as to be received by at least a mobile receiver. The broadcasting station provides the transport stream with link information showing the links between the transport stream it transmits in its own service area and the programs being transmitted in adjacent service areas. With this arrangement, the mobile receiver can receive the program it is receiving continuously in an adjacent service area by referring to the link information if it moves from the original service area into the adjacent service area.

Abstract: A method is provided for suppressing interference in a motor vehicle radio that is capable of executing a seek/scan function. Interference may occur from signals generated by a source of time varying signal that operates in the motor vehicle at a predetermined operating frequency. The method comprises the steps of sending a message indicating initiation of a seek/scan function. In response to this message, the operating frequency of the source of time varying signal is cycled between the predetermined operating frequency and an adjusted operating frequency.

Abstract: An AM receiver including an AM demodulator for demodulating an AM signal received by an antenna coupled to the AM demodulator is provided. The AM receiver further includes a bandpass filter for receiving the demodulated signal and generating a bandpass filtered signal. The AM receiver further includes a moving average filter for receiving the bandpass filtered signal and generating a moving averaged signal and a highpass filter for receiving the moving averaged signal and generating a highpass filtered signal. The AM receiver further includes an averaging filter for receiving the highpass filtered signal and generating an averaged signal and a summer for receiving the averaged signal and the highpass filtered signal and generating a difference signal. The AM receiver further includes a comparator for generating a noise blanking signal based on a comparison of the difference signal with a threshold.